If I only eat 500 calories worth of food for 3 weeks how much weight will I lose?
It is difficult to set absolute bottom calorie levels, because everyone has different body composition and activity levels. Health authorities do set some baselines - these are 1200 calories per day for women, and 1800 calories per day for men.
Answered by Ester J. -Galleries
About Calories
The food we eat and beverages we drink all contain calories, which is a measure of energy. Another definition of calorie is the amount of heat needed to raise the temperature of water by one degree. It's recommended that humans consume at least 2,000 calories per day in order to maintain their weight and for enough energy to perform daily tasks.
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